Hatt, Paul K <br/><br/>
Backgrounds of human fertility in puerto rico: Sociological survey 

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 - Princeton University Press, New Jersey  1952 
 - 512 
 - .
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<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human - Fertility
<br/><br/><label>Dewey Class. No.: </label>304.632  HAT-B